Luke O'Neill
speaker
4,575 appearances
24 recordings
2 series
first heard Apr 2026
last heard 5d ago
Luke O'Neill’s voice in public audio — every appearance, attributed to the second.
Trend
recordings per month · last 12 monthsRecordings per month over the last 12 months — 24 in all, peaking in Jul 2026 with 6.
Appearances
Those cells die off.
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And you sculpt tissues through cell death.
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And it was noticed this is a very controlled type of cell death, right?
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And that became sort of an area of research then.
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And that there was a term even coined for it.
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It was called apoptosis.
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Now there's a funny word, A-P-O-P-T-O-S-I-S.
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Apotosis, that means leaves falling off trees.
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Wiley came up with that name.
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And it looked like as if leaves were falling as the cells were dying.
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The cells themselves were detaching from the tissue and then kind of disappearing, a bit like leaves falling off a tree.
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That's where the name apoptosis came from.
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And that gets studied more and more and more.
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And finally, they figure out a very specific series of events inside the cell is happening when it undergoes this type of cell death.
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It's called programmed cell death.
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Another name for it.
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Apoptosis is also called programmed cells.
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It's undergoing kind of a program.
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And then very importantly, and this is where it gets kind of even more fascinating, and this programmed cell death process involves special enzymes inside the cell called caspases, and they get triggered, and these caspases chop things up.
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And what's actually happening is controlled demolition of a cell.
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Showing 1341–1360 of 4,575 · page 68 of 229
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